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A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
Barbiturates slow down the central nervous system and cause tranquilizing or antiseizure effects. Phenytoin and primidone are effective antiepileptics drugs, although phenytoin can cause liver failure or have other harmful long-term effects in patients with PME. Sodium valproate is an alternative therapy for myoclonus and can be used either ...
"The deltoids are located at the top of the arm and cover the shoulder joint," Julom explains. "When doing jumping jacks, the arms move up and down, engaging the deltoids and building strength and ...
Alexandre-Achille Souques was one of the first major researchers of camptocormia and created the definition and name used for the condition to this day. Camptocormia comes from two Greek words, meaning "to bend" (κάμπτω, kamptō ) and "trunk" (κόρμος, kormos ), and was coined by Alexandre-Achille Souques and B. Rosanoff-Saloff. [ 3 ]
A kip-up or kick-up (also called a rising handspring, Chinese get up, kick-to-stand, nip-up, [1] flip-up, or carp skip-up) is an acrobatic move in which a person transitions from a supine, and less commonly, a prone position version known as prone get-up, to a standing position.
Skitching after a taxicab in New York City. Skitching (abbreviated from "skate-hitching", pron: /ˈskɪtʃɪŋ/) is the act of hitching a ride by holding onto a motor vehicle while riding on a skateboard, roller skates, bicycle, or sneakers when there is snowfall.
The arm will involuntarily rise. Russian scientists Victor Gurfinkel, Mikhail Lebedev and Yuri Levick used Kohnstamm's phenomenon to activate tonogenic structures in humans and thereby demonstrate postural automatisms, such as neck reflexes.
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. [1]